Multifunction oxygen mask



FIG. 1 is a perspective view of the multifunction oxygen mask;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a top view;

FIG. 7 is a bottom view; and,

FIG. 8 is a back perspective view thereof. 

CLAIM The ornamental design for a multifunction oxygen mask, as shown and described. 